404120160

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{280639}}^1$

素因数の和:280660

約数の個数: 72

約数和(自身を含む): 1379064960

約数和(自身を除く): 974944800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 280639, 561278, 841917, 1122556, 1403195, 1683834, 2245112, 2525751, 2806390, 3367668, 4209585, 4490224, 5051502, 5612780, 6735336, 8419170, 8980448, 10103004, 11225560, 12628755, 13470672, 16838340, 20206008, 22451120, 25257510, 26941344, 33676680, 40412016, 44902240, 50515020, 67353360, 80824032, 101030040, 134706720, 202060080, 404120160]

約数ペア:

[(1, 404120160), (2, 202060080), (3, 134706720), (4, 101030040), (5, 80824032), (6, 67353360), (8, 50515020), (9, 44902240), (10, 40412016), (12, 33676680), (15, 26941344), (16, 25257510), (18, 22451120), (20, 20206008), (24, 16838340), (30, 13470672), (32, 12628755), (36, 11225560), (40, 10103004), (45, 8980448), (48, 8419170), (60, 6735336), (72, 5612780), (80, 5051502), (90, 4490224), (96, 4209585), (120, 3367668), (144, 2806390), (160, 2525751), (180, 2245112), (240, 1683834), (288, 1403195), (360, 1122556), (480, 841917), (720, 561278), (1440, 280639)]